ENGCOM-4376: Checkout Page Cancel button is not working #21327 #21356

Author: sivaschenko

app/code/Magento/Checkout/view/frontend/web/js/view/billing-address.js

@@ -202,6 +202,13 @@ function (
             }
         },
 
+        /**
+         * Manage cancel button visibility
+         */
+        canUseCancelBillingAddress: ko.computed(function () {
+            return quote.billingAddress() || lastSelectedBillingAddress;
+        }),
+
         /**
          * Restore billing address
          */

app/code/Magento/Checkout/view/frontend/web/template/billing-address.html

@@ -22,7 +22,7 @@
                 <button class="action action-update" type="button" data-bind="click: updateAddress">
                     <span data-bind="i18n: 'Update'"></span>
                 </button>
-                <button class="action action-cancel" type="button" data-bind="click: cancelAddressEdit">
+                <button class="action action-cancel" type="button" data-bind="click: cancelAddressEdit, visible: canUseCancelBillingAddress()">
                     <span data-bind="i18n: 'Cancel'"></span>
                 </button>
             </div>